Speaker phone



FIG. 1 is a perspective view of the speaker phone

FIG. 2 is another perspective view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a back view thereof.

FIG. 5 is a side view thereof.

FIG. 6 is the other side view thereof.

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The features shown in broken lines depict portions of the speaker phone that form no part of the claimed design. The portions of the design located with the dot-dash boundary line in FIGS. 1 and 3 form no part of the claimed design. 

CLAIM The ornamental design for a speaker phone, as shown and described. 